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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-18 13:52:44 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-18 13:52:44 -0700 |
| commit | 936a0cd52aa5d024c583e36e2f21bf6ec2e527e4 (patch) | |
| tree | 01cffc11361be7d671b71ba86463f6649b39d552 /fs/btrfs/extent-tree.c | |
| parent | 36bf51acc89d113f101e40f40af4ab53fbf5b60a (diff) | |
| parent | e26081808edadfd257c6c9d81014e3b25e9a6118 (diff) | |
Merge 4.1-rc4 into staging-next
We want the fixes in here for testing and merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 0ec8e228b89f..7effed6f2fa6 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3180,8 +3180,6 @@ static int write_one_cache_group(struct btrfs_trans_handle *trans, btrfs_mark_buffer_dirty(leaf); fail: btrfs_release_path(path); - if (ret) - btrfs_abort_transaction(trans, root, ret); return ret; } @@ -3487,8 +3485,30 @@ again: ret = 0; } } - if (!ret) + if (!ret) { ret = write_one_cache_group(trans, root, path, cache); + /* + * Our block group might still be attached to the list + * of new block groups in the transaction handle of some + * other task (struct btrfs_trans_handle->new_bgs). This + * means its block group item isn't yet in the extent + * tree. If this happens ignore the error, as we will + * try again later in the critical section of the + * transaction commit. + */ + if (ret == -ENOENT) { + ret = 0; + spin_lock(&cur_trans->dirty_bgs_lock); + if (list_empty(&cache->dirty_list)) { + list_add_tail(&cache->dirty_list, + &cur_trans->dirty_bgs); + btrfs_get_block_group(cache); + } + spin_unlock(&cur_trans->dirty_bgs_lock); + } else if (ret) { + btrfs_abort_transaction(trans, root, ret); + } + } /* if its not on the io list, we need to put the block group */ if (should_put) @@ -3597,8 +3617,11 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans, ret = 0; } } - if (!ret) + if (!ret) { ret = write_one_cache_group(trans, root, path, cache); + if (ret) + btrfs_abort_transaction(trans, root, ret); + } /* if its not on the io list, we need to put the block group */ if (should_put) |